Classification of the genus Acacia (in the wider sense) has been subject to considerable debate. It is generally agreed that there are valid reasons for breaking it. Acacia crassicarpa ex Benth. Acacia aulacocarpa var. macrocarpa Benth., Flora Australiensis 2: (), Type: Keppel Bay, Shoalwater Bay, and . Scientific Name: Acacia crassicarpa ex Benth. Taxonomic Notes: Recently transferred to Racosperma crassicarpum (A. Cunn. ex Benth.) Pedley.
|Published (Last):||28 August 2008|
|PDF File Size:||16.40 Mb|
|ePub File Size:||4.2 Mb|
|Price:||Free* [*Free Regsitration Required]|
Habitat Top of page In Queensland A. However, it is very likely that the species is present in more countries than indicated in the distribution table, for example in Africa and South America where crassiicarpa is currently not recorded.
Specifically, a detailed assessment of the current distribution of the species is required, alongside that of other species in the group, and an updated assessment of invasions in the Cook Islands and the status of naturalised populations elsewhere where it has been recorded.
Diseases of tropical acacias. crqssicarpa
Leaves phyllodineoussomewhat glaucoususually with seven veins more prominent than the rest, veins parallel, not anastomosing and the margins also thickened like veins. Fungal pathogens as a potential threat to tropical acacias in India.
Thus it is likely to be established in many more countries that it is recorded, and may be introduced further. Seeds shiny black, transversely oriented in the podabout 6 x 3 mm. Flora of China, Noting earlier problems regarding the definition of taxonomical limits to the species and its relationships to other species in the A. Journal of Tropical Forest Products, 1 2: Royal Botanic Garden Edinburgh, National Germplasm Resources Laboratory.
Zhang F; Yang M, Grows in beach forest and open forestparticularly on sand, but also occurs in and on the margin of rain forest.
Acacia crassicarpa – Wikipedia
No other information on the impacts of invasion of A. In New Guinea, commonly associated species include Acacia mangium, A. Accidental Introduction It is unlikely that the species would be introduced by accident. Stamens about mm long. In recent years populations of A. Bioactive phenolic substances have been found in the heartwood, sapwood and knots of Acacia crassicarpa.
Tree Improvement for sustainable tropical forestry. crassiczrpa
Centre for International Forestry Research, Indonesia. The heartwood is golden brown with a reddish cast, and the sapwood is pale brown, though the heartwood of plantation-grown trees tends to be paler than wood sourced from the wild Arentz et al.
Also occurs in New Guinea. BM, NSW fragment ; para-lectotype: Reproductive biology of acacias.
It is known to have been widely introduced for trials throughout the world, though available records do not indicate that it proved successful everywhere. In Papua New Guinea A. Craesicarpa Salwood See M. Unique acacia forests with an even canopy dominated by either A. Report on fungi from diseases acacia samples examined at Institute of Horticultural Development, Knoxfield, Victoria.
Acacia crassicarpa – Useful Tropical Plants
Queensland Forestry Research Institute. The above description replaces the one given in Fl.
Royal Botanic Gardens, Kew. Relatively small pods 4—8 cm long; 1. Suitable for kraft pulping. However, that it is widely promoted as a tropical timber tree, and as it clearly has the potential to become invasive as have so many other exotic Acacia species, special care should be taken when considering A.
Early growth of five Acacia species on Imperata cylindrica grassland. Growth, marcottability and photosynthesis of Acacia crassicarpa provenances at Serdang, Malaysia. Crown is heavily branched and spreading.
Pods are resinous, dull brown, oblong to narrowly oblong, straight, woody, usually flat, cm long, Risk of Introduction Top of page A.
Environmental Impact Top of page It is noted as invading open and disturbed areas in the Cook Islands, but was not reported to be invading native forest areas. Pods normally present beneath mature trees. Commonly associated species include Acacia mangium, A.